3157603878 has 64 divisors (see below), whose sum is σ = 7541017344. Its totient is φ = 868752000.

The previous prime is 3157603877. The next prime is 3157603879. The reversal of 3157603878 is 8783067513.

3157603878 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3157603877) and next prime (3157603879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157603871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22173 + ... + 82503.

It is an arithmetic number, because the mean of its divisors is an integer number (117828396).

Almost surely, 2^3157603878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157603878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3770508672).

3157603878 is an abundant number, since it is smaller than the sum of its proper divisors (4383413466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157603878 is a wasteful number, since it uses less digits than its factorization.

3157603878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60421.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 3157603878 is about 56192.5606997937. The cubic root of 3157603878 is about 1467.0757852367.

The spelling of 3157603878 in words is "three billion, one hundred fifty-seven million, six hundred three thousand, eight hundred seventy-eight".